- Subject
- Telescopes
- Item type
- Object
- Provenance
- Lent by Christ Church, Oxford in 1925.
- Object type
- Telescope eyepiece
- Dimensions
- Height: 120mm Width: 335mm Depth: 174mm Weight: 1.95kg
- Inventory No
- 22318
- Accession Number
- 1925-43
Description
English micrometer eyepiece for a telescope.
Lignum vitae, brass, and silvered brass. Unsigned and undated; c.1710.
This is probably the earliest surviving micrometer eyepiece for a telescope. It was used with the large refractor Inv 18872 (Orrery Collection16),
